http://hl7.org/fhir/concept-subsumption-outcome|4.0.1

{
  "description" : "The subsumption relationship between code/Coding \\\"A\\\" and code/Coding \\\"B\\\". There are 4 possible codes to be returned: equivalent, subsumes, subsumed-by, and not-subsumed. If the server is unable to determine the relationship between the codes/Codings, then it returns an error (i.e. an OperationOutcome).",
  "compose" : null,
  "package" : "hl7.fhir.r4.core@4.0.1",
  "date" : "2019-10-31T22:29:23Z",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"
  },
  "publisher" : "HL7 (FHIR Project)",
  "content" : "complete",
  "name" : "ConceptSubsumptionOutcome",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "ConceptSubsumptionOutcome",
  "supliment" : null,
  "status" : "draft",
  "id" : "b909c12c-b179-5121-8295-fde3a109feae",
  "valueSet" : "http://hl7.org/fhir/ValueSet/concept-subsumption-outcome",
  "url" : "http://hl7.org/fhir/concept-subsumption-outcome",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.4.642.4.1239",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "equivalent",
    "display" : "Equivalent",
    "definition" : "The two concepts are equivalent (have the same properties)."
  }, {
    "code" : "subsumes",
    "display" : "Subsumes",
    "definition" : "Coding/code \"A\" subsumes Coding/code \"B\" (e.g. B has all the properties A has, and some of it's own)."
  }, {
    "code" : "subsumed-by",
    "display" : "Subsumed-By",
    "definition" : "Coding/code \"A\" is subsumed by Coding/code \"B\" (e.g. A has all the properties B has, and some of it's own)."
  }, {
    "code" : "not-subsumed",
    "display" : "Not-Subsumed",
    "definition" : "Coding/code \"A\" and Coding/code \"B\" are disjoint (e.g. each has propeties that the other doesn't have)."
  } ],
  "caseSensitive" : true,
  "version" : "4.0.1",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org/fhir",
      "system" : "url"
    }, {
      "value" : "fhir@lists.hl7.org",
      "system" : "email"
    } ]
  } ]
}